ABAP Select data from SAP table RN2CLIO_PROGRESS_NOTE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN2CLIO_PROGRESS_NOTE table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to RN2CLIO_PROGRESS_NOTE. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the RN2CLIO_PROGRESS_NOTE table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_RN2CLIO_PROGRESS_NOTE TYPE STANDARD TABLE OF RN2CLIO_PROGRESS_NOTE,
      WA_RN2CLIO_PROGRESS_NOTE TYPE RN2CLIO_PROGRESS_NOTE,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <RN2CLIO_PROGRESS_NOTE> TYPE RN2CLIO_PROGRESS_NOTE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN2CLIO_PROGRESS_NOTE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN2CLIO_PROGRESS_NOTE
  INTO TABLE IT_RN2CLIO_PROGRESS_NOTE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN2CLIO_PROGRESS_NOTE
*  INTO TABLE @DATA(IT_RN2CLIO_PROGRESS_NOTE2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_RN2CLIO_PROGRESS_NOTE INDEX 1 INTO DATA(WA_RN2CLIO_PROGRESS_NOTE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN2CLIO_PROGRESS_NOTE ASSIGNING <RN2CLIO_PROGRESS_NOTE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN2CLIO_PROGRESS_NOTE>-MANDT = 1.
<RN2CLIO_PROGRESS_NOTE>-NOTEKEY = 1.
<RN2CLIO_PROGRESS_NOTE>-VDKEY = 1.
<RN2CLIO_PROGRESS_NOTE>-TYPE = 1.
<RN2CLIO_PROGRESS_NOTE>-RANK = 1.

ENDLOOP.

LOOP AT IT_RN2CLIO_PROGRESS_NOTE INTO WA_RN2CLIO_PROGRESS_NOTE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN2CLIO_PROGRESS_NOTE-STATUS, sy-vline,
  WA_RN2CLIO_PROGRESS_NOTE-DESCR, sy-vline,
  WA_RN2CLIO_PROGRESS_NOTE-ADDED_NOTE, sy-vline,
  WA_RN2CLIO_PROGRESS_NOTE-RESP, sy-vline,
  WA_RN2CLIO_PROGRESS_NOTE-DOC_UNIT, sy-vline,
  WA_RN2CLIO_PROGRESS_NOTE-ACTION_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN2CLIO_PROGRESS_NOTE you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_RN2CLIO_PROGRESS_NOTE TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_RN2CLIO_PROGRESS_NOTE INTO WA_RN2CLIO_PROGRESS_NOTE.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field NOTEKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIO_PROGRESS_NOTE-NOTEKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIO_PROGRESS_NOTE-NOTEKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VDKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIO_PROGRESS_NOTE-VDKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIO_PROGRESS_NOTE-VDKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VDSTA, internal->external for field STATUS
CALL FUNCTION 'CONVERSION_EXIT_VDSTA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIO_PROGRESS_NOTE-STATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIO_PROGRESS_NOTE-STATUS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RESP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIO_PROGRESS_NOTE-RESP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIO_PROGRESS_NOTE-RESP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOC_UNIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIO_PROGRESS_NOTE-DOC_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIO_PROGRESS_NOTE-DOC_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSTITUTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIO_PROGRESS_NOTE-INSTITUTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIO_PROGRESS_NOTE-INSTITUTION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOC_UNIT2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIO_PROGRESS_NOTE-DOC_UNIT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIO_PROGRESS_NOTE-DOC_UNIT2.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RN2CLIO_PROGRESS_NOTE_STR, 
MANDT TYPE STRING,
NOTEKEY TYPE STRING,
VDKEY TYPE STRING,
TYPE TYPE STRING,
RANK TYPE STRING,
STATUS TYPE STRING,
DESCR TYPE STRING,
ADDED_NOTE TYPE STRING,
RESP TYPE STRING,
DOC_UNIT TYPE STRING,
ACTION_DATE TYPE STRING,
ACTION_TIME TYPE STRING,
CANCELLED TYPE STRING,
CANCEL_USR TYPE STRING,
CANCEL_DATE TYPE STRING,
INSTITUTION TYPE STRING,
CANCEL_CAUSE TYPE STRING,
N8CRUSR TYPE STRING,
N8CRDATE TYPE STRING,
N8CRTIME TYPE STRING,
N8UPUSR TYPE STRING,
N8UPDATE TYPE STRING,
N8UPTIME TYPE STRING,
N8DLFLAG TYPE STRING,
N8DLUSR TYPE STRING,
N8DLDATE TYPE STRING,
N8DLTIME TYPE STRING,
DOC_UNIT2 TYPE STRING,
CHART_RELEVANT TYPE STRING,
OCCUP_GROUP TYPE STRING,
NOTE_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN2CLIO_PROGRESS_NOTE_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_RN2CLIO_PROGRESS_NOTE_STR-MANDT sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-NOTEKEY sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-VDKEY sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-TYPE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-RANK sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-STATUS sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-DESCR sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-ADDED_NOTE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-RESP sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-DOC_UNIT sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-ACTION_DATE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-ACTION_TIME sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-CANCELLED sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-CANCEL_USR sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-CANCEL_DATE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-INSTITUTION sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-CANCEL_CAUSE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8CRUSR sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8CRDATE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8CRTIME sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8UPUSR sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8UPDATE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8UPTIME sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8DLFLAG sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8DLUSR sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8DLDATE sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-N8DLTIME sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-DOC_UNIT2 sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-CHART_RELEVANT sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-OCCUP_GROUP sy-vline 
WA_RN2CLIO_PROGRESS_NOTE_STR-NOTE_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.